QS 18-3 Cost behavior estimation-high-low method LO P1 C en months The following information is available for a company's maintenance cost over the last sev Maintenance Month Maintenance Cost Hours June $ 4,830 18 7,620 July August September October November 5,760 6,690 8,550 9,480 12 15 21 24 December 6 3,900 Using the high-low method, estimate both the fixed and variable components of its maintenance cost. High-Low method - Calculation of variable cost per maintenance hour Total cost at the high point Variable costs at the high point Volume at the high point Variable cost per maintenance hour Total variable costs at the high point Total fixed costs Total cost at the low point Variable costs at the low point. Volume at the low point Variable cost per maintenance hour Total variable costs at the low point